AMARIN CORP PLC\UK — Director's Dealing 2011

Jul 15, 2011

SEC Form 4/A — Form 4/A

Issuer: AMARIN CORP PLC\UK (AMRN)
CIK: 0000897448
Period of Report: 2011-07-15

Reporting Person: Zakrzewski Joseph S (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-07-15	Ordinary Shares	M	5000	$1.35	Acquired	68604	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-07-15	Stock Option (right to buy)	$1.35	M	5000	Disposed	2019-12-21	Ordinary Shares (5000)	Direct

Footnotes

F1: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

F2: On December 21, 2009, the reporting person was granted an option to purchase 1,170,000 ordinary shares under the Amarin Corporation plc 2002 Stock Option Plan. The stock option initally vested in four equal annual installments beginning on January 1, 2010. In December 2010, the Issuer's Board of Directors approved the acceleration of the vesting of this award by six months such that the option vests in four equal installments and will be fully vested on July 1, 2012.

F3: This amendment is filed to correct the typographical error in the date by which the option will be fully vested contained in the footnote number 2 of the original Form 4.